Remove auto raw pointer deduction from non-linux specific code.

ash/common/system/chromeos/network/network_icon.cc

Index: ash/common/system/chromeos/network/network_icon.cc
diff --git a/ash/common/system/chromeos/network/network_icon.cc b/ash/common/system/chromeos/network/network_icon.cc
index bcd788aae7bf470d68e9d916700ca5783134e8d5..855e60abc01dd3a1f8872cf7ea2a323639654bc7 100644
--- a/ash/common/system/chromeos/network/network_icon.cc
+++ b/ash/common/system/chromeos/network/network_icon.cc
@@ -202,7 +202,7 @@ class NetworkIconImageSource : public gfx::CanvasImageSource {
  public:
   static gfx::ImageSkia CreateImage(const gfx::ImageSkia& icon,
                                     const Badges& badges) {
-    auto source = new NetworkIconImageSource(icon, badges);
+    auto* source = new NetworkIconImageSource(icon, badges);
     return gfx::ImageSkia(source, source->size());
   }